LaFeAsO shows differing Weiss temperatures for shear-modulus-derived and elastoresistivity-derived nematic susceptibilities, unlike the matching behavior in BaFe2As2 that aligns with Landau theory.
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Nematicity in LaFeAsO single crystals studied by elastoresistance, high-resolution thermal expansion and shear-modulus measurements
LaFeAsO shows differing Weiss temperatures for shear-modulus-derived and elastoresistivity-derived nematic susceptibilities, unlike the matching behavior in BaFe2As2 that aligns with Landau theory.